Finding the Fourth Proportional to 88,229.92, 121,758.06 and 47,943.68
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Solution
The fourth proportional to 88,229.92, 121,758.06 and 47,943.68 is: 66,162.70
Step by Step Solution
- Step 1: Write the proportion equation
88,229.92 : 121,758.06 = 47,943.68 : x - Step 2: Convert to fraction form
88,229.92/121,758.06 = 47,943.68/x - Step 3: Cross multiply
88,229.92x = 121,758.06 × 47,943.68 - Step 4: Simplify right side
88,229.92x = 5,837,529,466.06 - Step 5: Solve for x
x = 5,837,529,466.06/88,229.92 - Step 6: Final answer
x = 66,162.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.